MESSKO MTraB product line (see application table page 3) MESSKO MTraB connection requirements

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1 Dehydrating Breather Technical data Product variants This technical document contains detailed information about the technical properties of the product. If you would like to place an order, please use the MESSKO inquiry and order specification, which you can also find on our website below the respective product product line (see application table page 3) DB100 DB100T DB200T DB200D-T (duplicate) DB200G γ-controller (duplicate) Protective coating color Offshore model RAL 7033 standard cement gray RAL 7038 standard agate gray connection requirements Not available in offshore model Includes: Flange with offshore finish Connection box with offshore finish and with C5-M coating Cable screw connection with stainless steel finish (1.4404) Further designs available upon request Cable screw connections 3x M20x1.5 Nickel-plated brass 3x 1/2-14 NPT Nickel-plated brass Analog output ma C ma C ma C Mounting flange DIN flange; similar to DIN ; see [ 5] No. 1 RM flange; in accordance with DIN 2558; only for type DB100; see [ 5] No. 2 5 Flange for 1/2" screws; see [ 5] No Customer-specific flanges by request Supply voltage 120 V ± 10% DC 120 V ± 10% AC, 50/60 Hz Accessories Data logger 230 V ± 10% DC 230 V ± 10% AC, 50/60 Hz Additional overvoltage protection for 230 V AC Insect protective grate for stainless steel filters Recommended in the case of known overvoltage problems outside of the specification of up to 400 V (e.g. voltage spikes during switching procedures). With or without software (CD) and USB cable; see [ 4] See [ 11]; not together with filter heater Spiral coiled hose for protection of electric lines against damage (e.g. animal biting) Filter heater (in High Temperature (HT) version for applications in cold regions, see [ 2]) Test button Only for AC variant; see [ 4] Fastening to the side See [ 6] and [ 7] Protective grate See [ 11] Messko GmbH 2018 TD EN 1

2 Dehydrating Breather Operating conditions Site of operation Technical data Indoors and outdoors Ambient temperature DB100/200/200D: C / as HT version* C DB200G: C / as HT version* C *) HT version for applications in cold regions, e.g. ambient temperature is continuously below 0 C over a time period of 20 days. Degree of protection IP 55 in accordance with DIN EN IP 66 in accordance with DIN EN for offshore model Contamination level General Materials Color Weight 4 under outdoor conditions 2 inside of the connection box Dimensions See [ 6] and [ 7] Flange connection See [ 5] Desiccant Power supply All exterior parts weather-proof, oil-resistant and UV proof transformers; saltwater-proof model (offshore) by request Flange and metal parts: anodized (aluminum); connection box: powder-coated RAL7033 (cement gray) or RAL7038 (agate gray) DB100(T): approx. 8 kg; DB200T: approx. 12 kg; DB200D-T: approx. 23 kg; DB200G: approx. 31 kg Colorless, nontoxic silica gel; Quantity according to the following Application table [ 3] Nominal voltage 230 V AC 50/60 Hz or 230 V DC; tolerance ± 10% Power consumption External fuse protection RM version*: 120 V AC 50/60 Hz or 120 V DC; tolerance ± 10% *) Version for the US market Max. 100 ma (in normal operation); Increased power consumption during regeneration; 2 ) Heat current corresponds to the following Application table [ 3] 16 A miniature circuit breaker, C-characteristic; takes into account the switch-on current of the heater Rated insulation voltage 500 V DC (L to PE, N to PE, see [ 4]) Max. heat output 1 ) Values in accordance with the following Application table [ 3] Terminal box Cable screw connection Connection terminals Status display Fuse Signaling contacts Type of contact Contact load Utilization category Analog output Output Output signal Load resistance Options Offshore Data logger Ventilated and heated for the prevention of water condensation M20x1.5 or 1/2" 14 NPT nickel-plated brass M20x1.5 also available in stainless-steel for offshore applications mm 2 ; AWG 24 10; rigid or flexible 3 LEDs visible from outside; 2 LEDs inside the connection box for service purposes 250 V/1 A/5x20/fast-acting; not included for the pre-transformer option 1 x changeover contact, silica gel regeneration signaling relay 1 x normally closed contact, device error signaling relay (fail safe) Max. 5 A/230 V AC or 5 A/24 V DC (for ohmic load) IEC AC-15/DC C (temperature in the pipe nozzle) ma (0...1 ma or ma are optional); Error signal < 3.6 ma (for ma output signal) Maximum: R LMax =850 Ω Load influence: 0.01%/100 Ω As per the requirements in accordance with DIN EN ISO part 5 with corrosion-protection class C5-M Recording important MTraB results; analysis by means of visualization software; data connection via USB jack, type B 2 TD EN Messko GmbH 2018

3 Dehydrating Breather Options Insect grille Use in the dust protection tube, not shared with filter heater, see [ 11] Cable protection Filter heater Protects the cable against damage such as animal biting, designed as a spiral coiled hose (stainless steel, suitable for offshore applications) HT version: With heated stainless-steel filter; recommended for cold regions with an ambient temperature that is continuously below 0 C for more than 20 days in order to guarantee proper functioning Switching point: < 5 C (switch on) Test button Only for AC variant: To start the device self-test and to test the silica gel heater, see [ 4] Fastening to the side See [ 6] and [ 7] Protective grate See [ 11] Application table Application MTraB type Max. heating power 1 with Heat current 2 with U V = 120 V U V = 230 V U V = 120 V U V = 230 V Tap changer DB W 960 W 1.2 A 0.6 A 1.1 kg α Arc suppression coil (Petersen coil) DB W 960 W 1.2 A 0.6 A 1.1 kg α Air-filled cable boxes DB W 960 W 1.2 A 0.6 A 1.1 kg α Vehicle transformers DB W 960 W 1.2 A 0.6 A 1.1 kg α Network transformers 40 MVA DB100T 480 W 960 W 1.2 A 0.6 A 1.1 kg β Network transformers and step-up transformers > 40 MVA 200 MVA Silica gel Control 3 DB200T 960 W 1780 W 2.3 A 1.2 A 2.2 kg β Network shell transformers > 200 MVA DB200D-T or 2 x DB200T W 3680 W 4.7 A 2.4 A 4.4 kg β Phase shifter 40 MVA DB100T 480 W 920 W 1.2 A 0.6 A 1.1 kg β Phase shifter > 40 MVA 200 MVA DB200T 960 W 1780 W 2.3 A 1.2 A 2.2 kg β Phase shifter > 200 MVA DB200D-T or 2 x DB200T W 3680 W 4.7 A 2.4 A 4.4 kg β Reactors 40 Mvar DB100T 480 W 920 W 1.2 A 0.6 A 1.1 kg β Reactors > 40 Mvar 200 Mvar DB200T 960 W 1780 W 2.3 A 1.2 A 2.2 kg β Reactors > 200 Mvar DB200D-T or 2 x DB200T W 3680 W 4.7 A 2.4 A 4.4 kg β High voltage DC transmission (HVDCT) transformers DB200D-T or W 3680 W 4.7 A 2.4 A 4.4 kg β x DB200T 4 Furnace transformers DB200G 960 W 1780 W 2.3 A 1.2 A 4.4 kg γ Underground hall transformers DB200G 960 W 1780 W 2.3 A 1.2 A 4.4 kg γ GSU machine transformers DB200G 960 W 1780 W 2.3 A 1.2 A 4.4 kg γ 1 ) Temporary maximum heat performance (peak) at the beginning of the regeneration process. The power consumption drops quickly after heating activation. 2 ) Heating current during the heating process (approx. 1-2 min. After heating activation). 3 ) α-control: State-dependent control of the heating process by monitoring the humidity. β-control: Self-learning system with state-dependent control of the heating procedure through humidity monitoring and temperaturedepend-ent determination of the most advantageous time to perform heating. γ-control: System for applications with non-periodic breathing behavior. By monitoring the air humidity, the dehydrating chambers are regen-erated in alternation based on the status. 4 ) Mount individually on the conservator tank, no parallel mounting, see the Dehydrating Breather operating instructions. Messko GmbH 2018 TD EN 3

4 Dehydrating Breather MTraB connection box with data logger and cable screw connections Figure 1: MTraB connection box 1 Regeneration signaling relay (contacts 6, 7, 8) 2 Device error signaling relay (fail safe; contacts 4, 5) 3 Supply voltage connection (contacts 1, 2, 3; 2a only for optional overvoltage protection) 4 Microfuse for control electronics 5 Spare fuse (250 V/1 A/5x20/fast acting) 6 Device error red LED (outdoors) 7 Regeneration heater yellow LED (indoors) 8 Operating status green LED (outdoors) 9 Connection box anti-condensation heater yellow LED (indoors) 10 Filter heater yellow LED (indoors) 11 Data interface USB jack, type B (for data loggers) 12 Test button (optional; only for AC variant) 13 Data logger (optional) 14 Analog output (contacts 9+, 10 ) and shield (contact 11) 15 Grounding connection between housing and cover 16 Cable screw connection for M20x1.5 or 1/2" 14NPT supply lines 4 TD EN Messko GmbH 2018

5 Dehydrating Breather Dimensions for flange connection with DIN flange, RM flange or circular flange for 1/2" screws Figure 2: MTraB flange connections (customer-specific flanges by request) 1 DIN flange similar to DIN RM flange in accordance with DIN Circular flange for 1/2" screws Messko GmbH 2018 TD EN 5

6 Dehydrating Breather MTraB DB100/DB200 dimensions with additional fastening points (optional) Figure 3: MTraB DB100/DB200 with additional fastening points on the side 1 Additional fastening points on the side (optional) 2 M8x20 DIN 933 hex head bolt MTraB dimensions with flange Model type DB100 Model type DB200 L H* L H* DIN flange 459 mm / 18.06" 634 mm / 24.96" 689 mm / 27.11" 781 mm / 30.75" RM flange 463 mm /18.22" 638 mm / 25.12" 1/2" screws 459 mm /18.06" 634 mm / 24.96" 689 mm / 27.11" 781 mm / 30.75" 6 TD EN Messko GmbH 2018

7 Dehydrating Breather MTraB DB200D-T dimensions with additional fastening points (optional) Figure 4: MTraB DB200D-T with additional fastening points on the side 1 Additional fastening points on the side (optional) 2 M8x20 DIN 933 hex head bolt Messko GmbH 2018 TD EN 7

8 Dehydrating Breather MTraB DB100/DB200 with cable protection (optional) Figure 5: MTraB DB100/DB200 with cable protection; the dash-dot line indicates the cable routing. 1 Cable protection (optional) 2 Separation distance for cable protection MTraB dimensions with flange Overall height L DB100 DB200 DIN flange 459 mm / 18.06" 689 mm / 27.11" RM flange 463 mm / 18.22" 1/2" screws 459 mm / 18.06" 689 mm / 27.11" 8 TD EN Messko GmbH 2018

9 Dehydrating Breather MTraB DB200D-T with cable protection (optional) Figure 6: MTraB DB200D-T with cable protection; the dash-dot line indicates the cable routing. 1 Cable protection (optional) 2 Separation distance for cable protection 3 Wall fastening for cable Messko GmbH 2018 TD EN 9

10 Dehydrating Breather MTraB DB200G with gamma control Figure 7: MTraB with gamma control 1 Electric ball valve 2 Connection cable for supply unit and ball valve limit switch 10 TD EN Messko GmbH 2018

11 Dehydrating Breather MTraB with protective grate and insect protective grate (both optional) Figure 8: MTraB with protective grate and insect protective grate 1 Protective grate for MTraB DB100 2 Protective grate for MTraB DB200 3 M6x20 hexagon socket 4 Insect protective grate 5 Dust protection tube Messko GmbH 2018 TD EN 11

12 Messko GmbH Gewerbegebiet An den Drei Hasen Messko-Platz Oberursel, Germany +49 (0) (0) messko-info@reinhausen.com TD EN - - F /18 - Messko GmbH 2018 THE POWER BEHIND POWER.